A tattooed hooligan has been identified as part of a crew wanted for unleashing a fire extinguisher on an NYPD traffic enforcement agent in a disturbing caught-on-video prank, authorities said. Escarlin Polanco Gonzalez, 19 — pictured in an NYPD mugshot released Monday night with a distinct neck tattoo — has been linked to the Thursday crime at St. Nicholas Avenue and West 118th Street in Harlem, which sent the agent to the hospital with an eye injury, cops said. The 43-year-old uniformed agent was driving a marked NYPD cruiser near the intersection around 6:50 a.m. when a gray four-door sedan...